added `--verbose` option to zenserver-test and `xmake test` (#798)

* when `--verbose` is specified to zenserver-test, all child process output (typically, zenserver instances) is piped through to stdout. you can also pass `--verbose` to `xmake test` to accomplish the same thing.
* this PR also consolidates all test runner `main` function logic (such as from zencore-test, zenhttp-test etc) into central implementation in zencore for consistency and ease of maintenance
* also added extended utf8-tests including a fix to `Utf8ToWide()`

1 files changed, 35 insertions, 2 deletions

diff --git a/src/zencore/testing.cpp b/src/zencore/testing.cpp
index ef8fb0480..6000bd95c 100644
--- a/src/zencore/testing.cpp
+++ b/src/zencore/testing.cpp
@@ -1,18 +1,23 @@
 // Copyright Epic Games, Inc. All Rights Reserved.
 
+#define ZEN_TEST_WITH_RUNNER 1
+
 #include "zencore/testing.h"
+
+#include "zencore/filesystem.h"
 #include "zencore/logging.h"
+#include "zencore/process.h"
+#include "zencore/trace.h"
 
 #if ZEN_WITH_TESTS
 
 #	include <chrono>
+#	include <clocale>
 #	include <cstdlib>
 #	include <cstdio>
 #	include <string>
 #	include <vector>
 
-#	include <doctest/doctest.h>
-
 namespace zen::testing {
 
 using namespace std::literals;
@@ -149,6 +154,34 @@ TestRunner::Run()
 	return m_Impl->Session.run();
 }
 
+int
+RunTestMain(int argc, char* argv[], [[maybe_unused]] const char* traceName, void (*forceLink)())
+{
+#	if ZEN_PLATFORM_WINDOWS
+	setlocale(LC_ALL, "en_us.UTF8");
+#	endif
+
+	forceLink();
+
+#	if ZEN_PLATFORM_LINUX
+	zen::IgnoreChildSignals();
+#	endif
+
+#	if ZEN_WITH_TRACE
+	zen::TraceInit(traceName);
+	zen::TraceOptions TraceCommandlineOptions;
+	if (GetTraceOptionsFromCommandline(TraceCommandlineOptions))
+	{
+		TraceConfigure(TraceCommandlineOptions);
+	}
+#	endif
+
+	zen::logging::InitializeLogging();
+	zen::MaximizeOpenFileCount();
+
+	return ZEN_RUN_TESTS(argc, argv);
+}
+
 }  // namespace zen::testing
 
 #endif	// ZEN_WITH_TESTS